<template>
    <div class='login_container'>
        <div class="login_box">
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!--登录表单 -->
            <el-form ref="loginFormRef" :model='LoginForm' :rules="LoginFormRules" class="login_form" label-width="0px">
                <el-form-item prop='username'>
                    <el-input v-model="LoginForm.username" prefix-icon="el-icon-user"></el-input>
                </el-form-item>
                <el-form-item prop='password'>
                    <el-input v-model="LoginForm.password" type="password" prefix-icon="el-icon-lock"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="infor" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
        
    </div>
</template>
<script>
export default {
    name:'Login',
    data() {
        return {
            LoginForm:{
                username:'admin',
                password:'lishuai'
            },
            LoginFormRules:{
                username:[
                    {required:true,message:'请输入账号',trigger:'blur'},
                    {min:3,max:5,message:'长度在3到5个字符',trigger:'blur'}
                ],
                password:[
                    {required:true,message:'请输入密码',trigger:'blur'},
                    {min:6,max:15,message:'密码为6到15个字符',trigger:'blur'}
                ]
            }
        }
    },
    methods: {
        login(){
            this.$refs.loginFormRef.validate(async valid=>{
                if(!valid) return
                const{data:res}= await this.$http.post("login",this.LoginForm)
                if(res.status!==200)
                    return this.$message.error("账号或密码错误！")
                this.$message.success("登录成功!")
                //将token保存到sessionStorage
                window.sessionStorage.setItem('token',res.taken)
                //跳转
                this.$router.push('/Home')
                
            })
        },
        resetLoginForm(){
            //表单重置
            this.$refs.loginFormRef.resetFields();
        }    
    }
}
</script>
<style lang="less" scoped>
.login_container{
        background-color: #2b4b6b;
        height: 100%;
    }
    .login_box{
        width: 450px;
        height: 300px;
        background-color: #fff;
        border-radius: 3px;
        left: 50%;
        top: 50%;
        position: absolute;
        /* 使其自身以自己定位偏移 */
        transform: translate(-50%,-50%);

        .avatar_box{
            height: 100px;
            width: 100px;
            border-radius: 50%;
            border: 1px solid #eee;
            padding: 10px;
            //向外扩散
            box-shadow: 0 0 10px #ddd;
            position: absolute;
            left:50%;
            transform: translate(-50%,-50%);
            background-color: #fff;
            img{
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eeeeee;
            }
        }
    }
    .login_form{
        position:absolute;
        bottom:0;
        width: 100%;
        padding:0 20px;
        box-sizing: border-box;
    }
    .btns{
        display: flex;
        justify-content: flex-end;

    }
</style>
